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Ilia_Sergeevich [38]
2 years ago
15

PLS HELP OUTTTT PLSSSS . What seismic graph used for?"

Chemistry
1 answer:
mars1129 [50]2 years ago
4 0

Answer:

Seismographs are instruments used to record the motion of the ground during an earthquake.

Explanation:

They are installed in the ground throughout the world and operated as part of a seismographic network.

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Why are the molecules of hydrocarbons nonpolar?
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<span>This is not the case in the hydrocarbon tail. The electronegativity of hydrogen and carbon are very similar, so the electron cloud is distributed evenly over the two atoms. Carbon-hydrogen bonds are said to be non-polar because they do not have positive and negative poles within themselves. Hope this helps. </span>
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3 years ago
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A stock solution containing Mn2 ions was prepared by dissolving 1.269 g pure manganese metal in nitric acid and diluting to a fi
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Answer:

B.

Explanation:

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8 0
3 years ago
7. NH2CO2NH4(s) when heated to 450 K undergoes the following reaction to produce a system which reaches equilibrium: NH2CO2NH4(s
Taya2010 [7]

Answer:

Value of equilibrium constant is 0.0888

Explanation:

Both NH_{3} and CO_{2} are gaseous. Hence equilibrium constant depends upon partial pressures of NH_{3} and CO_{2}.

Initially no NH_{3} and CO_{2} were present.

Hence mole fraction of NH_{3} and CO_{2} at equilibrium can be calculated from coefficient of NH_{3} and CO_{2} in balanced equation.

Mole fraction of NH_{3} = (number of moles of NH_{3})/(total number of moles of NH_{3} and CO_{2}) = \frac{2moles}{(2+1)moles}=\frac{2}{3}

Mole fraction of CO_{2} = (number of moles of CO_{2})/(total number of moles of NH_{3} and CO_{2}) = \frac{1moles}{(2+1)moles}=\frac{1}{3}

Let's assume both CO_{2} and NH_{3} behaves ideally.

Therefore partial pressure of NH_{3}, P_{NH_{3}}= x_{NH_{3}}.P_{total} and P_{CO_{2}}= x_{CO_{2}}.P_{total}

Where x represents mole fraction

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P_{CO_{2}}=\frac{1}{3}\times 0.843atm=0.281atm

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4 0
3 years ago
Which statement describes a chemical property of water?
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7 0
3 years ago
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If 585.24 Joules of heat are added to 53.2 grams of water at 24.15oC, what will the new temp. be?
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E = mct
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4 years ago
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